body{
    background-color: #1D4;
    color white;
    font-family:"Bai Jamjuree", sans-serif;
    display: flex;
    justify-content: center;
    aling-items:center;
    height: 700px;
    margin:0;
}
button {
    background-color: crimson;
    color:white;
    font-family: "Bai Jamjuree",sans-serif;
}